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Finding the Fourth Proportional to 442,650.84, 610,816.94 and 251,626.84

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Solution

The fourth proportional to 442,650.84, 610,816.94 and 251,626.84 is: 347,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,650.84 : 610,816.94 = 251,626.84 : x
  2. Step 2: Convert to fraction form
    442,650.84/610,816.94 = 251,626.84/x
  3. Step 3: Cross multiply
    442,650.84x = 610,816.94 × 251,626.84
  4. Step 4: Simplify right side
    442,650.84x = 153,697,936,430.67
  5. Step 5: Solve for x
    x = 153,697,936,430.67/442,650.84
  6. Step 6: Final answer
    x = 347,221.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.